| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had been going on [prep] | 8 |
|
| 2 | [noun pl] had [been] going on [prep] | 8 |
|
| 3 | [noun pl] had [been] going on [prep] | 8 |
|
| 4 | [noun pl] had [been] going on for | 5 |
|
| 5 | [noun pl] had [been] going on for | 5 |
|
